Designed and engineered in JBL’s world-famous acoustic engineering facility in Northridge, California, the HDI-3600 delivers exceptional performance from a compact footprint. This floorstanding loudspeaker features a 2 ½-way design with patented High-Definition Imaging (HDI™) horn geometry, the patented 2410H-2 1-inch (25mm) compression driver, and triple 6.5-inch (165mm) Advanced Aluminum Matrix cone woofers for powerful dynamics and incredibly accurate sound reproduction.